CVE-2015-8009

The MWOAuthDataStore::lookup_token function in Extension:OAuth for MediaWiki 1.25.x before 1.25.3, 1.24.x before 1.24.4, and before 1.23.11 does not properly validate the signature when checking the authorization signature, which allows remote registered Consumers to use another Consumer's credentials by leveraging knowledge of the credentials.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 58%
VendorProductVersion
mediawikimediawiki
𝑥
≤ 1.23.10
mediawikimediawiki
1.24.0
mediawikimediawiki
1.24.1
mediawikimediawiki
1.24.2
mediawikimediawiki
1.24.3
mediawikimediawiki
1.25.0
mediawikimediawiki
1.25.1
mediawikimediawiki
1.25.2
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
http://www.openwall.com/lists/oss-security/2015/10/29/14
http://www.securitytracker.com/id/1034028
https://phabricator.wikimedia.org/T103023
http://www.openwall.com/lists/oss-security/2015/10/29/14
http://www.securitytracker.com/id/1034028
https://phabricator.wikimedia.org/T103023